> ## Documentation Index > Fetch the complete documentation index at: https://docs.lerian.studio/llms.txt > Use this file to discover all available pages before exploring further. # Price the tenant's IOF for one borrower kind > Makes these alíquotas the kind's IOF for every disbursement from now on, as a new version of the tenant's rate table; every other kind keeps its rates. A disbursement already made keeps the version it withheld at. The deployment ships pessoaFisica priced and pessoaJuridica and simplesNacional unpriced (LENDER-0233 at disbursement, LENDER-0900 at the tax preview). ## OpenAPI ````yaml /es/openapi/v3-current/lender.yaml put /api/v1/br/tax/iof-rates/{borrowerKind} openapi: 3.1.0 info: contact: email: contact@lerian.studio name: Lerian Studio url: https://lerian.studio description: >- Code-first OpenAPI 3.1 surface for the Lender service. Routes that move money are at-most-once per X-Idempotency: when one answers 5xx, the X-Idempotency-Fenced response header says whether that key is now refusing resends (true) or free to retry (false or absent). license: name: Lerian Studio General License title: Lender API version: 1.0.0 servers: - url: https://lender.sandbox.lerian.net security: - BearerAuth: [] tags: - description: >- Caller session projection: validated subject and effective permissions for the presented token. name: Session - description: >- Ledger accounting operations: journal entries and accrual postings for loan accounts. Operations under /api/v1/internal are back-office operations for the client's operators: they require a person's login, and a service credential gets 403. name: Accounting - description: >- Loan application intake and lifecycle: submission, decisioning, and status. name: LoanApplications - description: >- Loan product catalog: definition, versioning, and activation of lending products. name: LoanProducts - description: >- Loan account servicing operations: balances, schedules, and account-level actions. name: Loan Accounts - description: >- Portfolio dashboard read operations: aggregated portfolio and performance views. name: Dashboard - description: >- Jurisdiction registry: supported jurisdiction profiles and their capabilities. name: Jurisdictions - description: >- Jurisdiction-specific loan application operations (Brazil origination surface). name: Loan Applications - description: >- Tax computation operations for jurisdiction-specific lending (e.g. Brazil IOF). name: Tax - description: >- Brazil consignado privado operations: contract lifecycle, exclusion repair, and compensating adjustments. Operations under /api/v1/internal are back-office operations for the client's operators: they require a person's login, and a service credential gets 403. name: Consignado - description: >- Inbound record quarantine. Operations under /api/v1/internal are back-office operations for the client's operators: they require a person's login, and a service credential gets 403. name: Streaming - description: >- Credit-instrument document template registry: versioned drafting and publication of CCB clausulado. name: DocumentTemplates paths: /api/v1/br/tax/iof-rates/{borrowerKind}: put: tags: - Tax summary: Price the tenant's IOF for one borrower kind description: >- Makes these alíquotas the kind's IOF for every disbursement from now on, as a new version of the tenant's rate table; every other kind keeps its rates. A disbursement already made keeps the version it withheld at. The deployment ships pessoaFisica priced and pessoaJuridica and simplesNacional unpriced (LENDER-0233 at disbursement, LENDER-0900 at the tax preview). operationId: putIOFRate parameters: - description: >- The rate-table key a disbursement reads: the borrower kind, or simplesNacional for a pessoa jurídica under the Simples Nacional regime whose operation is R$ 30.000,00 or less (Decreto 6.306/2007, art. 7, VI). in: path name: borrowerKind required: true schema: description: >- The rate-table key a disbursement reads: the borrower kind, or simplesNacional for a pessoa jurídica under the Simples Nacional regime whose operation is R$ 30.000,00 or less (Decreto 6.306/2007, art. 7, VI). enum: - pessoaFisica - pessoaJuridica - simplesNacional examples: - pessoaJuridica type: string requestBody: content: application/json: schema: $ref: '#/components/schemas/PutIOFRateHumaInputBody' required: true responses: '200': content: application/json: schema: $ref: '#/components/schemas/IOFRatesHumaBody' description: OK '401': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Unauthorized '403': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Forbidden '404': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Not Found '413': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Request Entity Too Large '422': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Unprocessable Entity '500': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Internal Server Error '503': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Service Unavailable '504': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Gateway Timeout default: content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Error components: schemas: PutIOFRateHumaInputBody: additionalProperties: false properties: additionalPercent: description: >- One-off additional alíquota of art. 7, § 15, in percent: 0.38 is 0,38%. Above 1.5 is LENDER-0935; a sign or more than 6 decimals is refused by the schema. examples: - '0.38' pattern: ^[0-9]{1,2}(\.[0-9]{1,6})?$ type: string changedBy: description: >- Who makes the change, read only when the deployment runs without authentication; an authenticated subject always wins. A change naming nobody is refused LENDER-0941. examples: - tax-desk maxLength: 256 type: string dailyPercent: description: >- Daily alíquota in percent, as the decree writes it: 0.0082 is 0,0082% ao dia. Above 1.5, the maximum of art. 6, is LENDER-0935; a sign or more than 6 decimals is refused by the schema. examples: - '0.0082' pattern: ^[0-9]{1,2}(\.[0-9]{1,6})?$ type: string sourceReference: description: The legal basis of the rate, kept with it. examples: - >- Decreto 6.306/2007, art. 7, I, b, 1, redação do Decreto 12.499/2025; ADC 96 cautelar em vigor maxLength: 512 pattern: \S type: string required: - dailyPercent - additionalPercent - sourceReference type: object IOFRatesHumaBody: additionalProperties: false properties: changedBy: description: >- Who priced the version; empty for the version the deployment shipped. type: string effectiveFrom: description: When the version came into force. format: date-time type: string rateTableSnapshotId: description: The version a disbursement made now pins. examples: - br-tax-rates-v1 type: string rates: description: >- The kinds priced, sorted by key. A kind absent here is refused: LENDER-0233 at disbursement, LENDER-0900 at the tax preview. items: $ref: '#/components/schemas/IOFRateHumaBody' type: - array - 'null' sourceReference: description: The legal basis cited; empty for the version the deployment shipped. type: string required: - rateTableSnapshotId - effectiveFrom - changedBy - sourceReference - rates type: object Detail: additionalProperties: true properties: code: description: >- Stable, machine-readable domain error code scoped to the emitting service (format: -NNNN). type: string detail: description: >- A human-readable explanation specific to this occurrence of the problem. examples: - Property foo is required but is missing. type: string errors: description: Optional list of individual error details items: $ref: '#/components/schemas/ErrorDetail' type: - array - 'null' instance: description: >- A URI reference that identifies the specific occurrence of the problem. examples: - https://example.com/error-log/abc123 format: uri type: string status: description: HTTP status code examples: - 400 format: int64 type: integer title: description: >- A short, human-readable summary of the problem type. This value should not change between occurrences of the error. examples: - Bad Request type: string type: default: about:blank description: A URI reference to human-readable documentation for the error. examples: - https://example.com/errors/example format: uri type: string upstream: $ref: '#/components/schemas/Upstream' description: >- RFC 9457 extension member: the error a proxied third-party provider reported. Absent unless the emitting service explicitly surfaced one. type: object IOFRateHumaBody: additionalProperties: false properties: additionalPercent: description: Additional alíquota in percent. examples: - '0.38' type: string borrowerKind: description: The rate-table key. examples: - pessoaJuridica type: string dailyPercent: description: Daily alíquota in percent. examples: - '0.0082' type: string dayCap: description: Taxable days per instalment, art. 7, § 1. examples: - 365 format: int64 type: integer required: - borrowerKind - dailyPercent - additionalPercent - dayCap type: object ErrorDetail: additionalProperties: false properties: location: description: >- Where the error occurred, e.g. 'body.items[3].tags' or 'path.thing-id' type: string message: description: Error message text type: string value: description: The value at the given location type: object Upstream: additionalProperties: false properties: code: description: The upstream provider's own error code, verbatim. examples: - E4001 type: string message: description: >- The upstream provider's own error message, verbatim (bounded, never its raw response body). examples: - account not found at provider type: string type: object securitySchemes: BearerAuth: bearerFormat: JWT description: JWT bearer token issued by the identity provider. scheme: bearer type: http ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.